package com.wanxi.util;

public class MyTest {
    int a = 22;
    //    int a = 22;
    int g;

    public static void main(String[] args) {
//       数据类型  标识符   赋值运算符  变量值
//        int a = 0;
//        a = 10;
//        int e = 0, r, t, y;
//        System.out.println(a);
//        int b = 11;
//        System.out.println(b);
//        Double dd=3.1D;
//        long ll=11L;
//        Float ff=3.0F;
        double d = 10.0;
        d = d + 5;
        d = 2.5;
        d = d + 10;
        d = d - 3;
        System.out.println(d);
        int 中华人民共和国毛主席=1;
    }

    public void aa() {
        System.out.println(a);
    }
}
